Questions tagged [moisture]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
29
votes
9answers
218k views

I have a basement floor with lots of moisture, can I paint or seal it to make it waterproof?

My basement has a slight dampness issue, where if I leave things on the floor they will get wet. There are no leaks and no standing water, the moisture seems to be wicking up through the concrete. I ...
0
votes
2answers
21k views

Should I install a moisture barrier behind drywall in house with T1-11 siding?

My home interior walls are thick redwood paneling in the bay area mountains. i'm about to start removing the wood in my second bedroom and want to install a moisture barrier on the 1 outside wall of ...
30
votes
9answers
588k views

What humidity should I set my dehumidifier to?

I just bought a 50 pint dehumidifier for my basement. What humidity level should I aim for? This time of year the outside humidity is very high (over 80%) and we do not have central air. Right now ...
5
votes
2answers
9k views

What are the brown stains showing through my white paint?

Should we be worried about these? We have some brown spots like these in the top floor, in the wall and some spots in the ceiling. Mostly around the ceiling nails like in the first picture. They are ...
3
votes
1answer
2k views

Is some condensation on bathroom walls safe?

I have an exhaust fan in my master bathroom and also a wall heater. I like to run the heater without the fan running during my shower so that the room is nice and warm when towel drying off. I then ...
1
vote
1answer
2k views

Do basement walls with metal framing and foam insulation require fireblocking and draftstopping?

Question: Do non-load bearing basement walls with metals framing and foam insulation (such as extruded polystyrene) in a single-family home require fireblocking and draftstopping? If so, what is the ...
1
vote
5answers
46k views

Do I need a moisture barrier between my bedroom and attic?

This is related to my other question about moisture barriers. There is an attic above the bedroom and there is insulation with paper backing in place. The attic area seems far more likely to get ...
3
votes
2answers
5k views

Will this moisture problem persist after drywall is installed?

we remodeled a trailer home recently, removed the aluminum siding, put up osb in place of the siding, then used the Lowes brand of house wrap. we installed new vinyl siding over that without using any ...
3
votes
1answer
2k views

How do I install electrical through “new work” stucco?

See also How do I install electrical through existing stucco (e.g. "old work") which deals with the old work situation. What are the best practice products and procedures for installing an ...
3
votes
2answers
144 views

Wall damage from insufficient attic ventilation

The wall in my master bedroom, which is facing outside, has exposed brick and, for several years now the bricks have been showing signs of moisture damage. The symptom is white, frost-like substance ...
1
vote
2answers
220 views

Rigid board installed after framing in Interior Basement Walls - Should I be concerned about trapped moisture?

I am helping my brother-in-law finish his basement. I noticed the framing was done first then the insulation was added after. It looks like rigid foam board was pressed up against the concrete wall ...
1
vote
3answers
130 views

What's the best way to keep humidity down in crawl space?

I have a nominally dry crawl space that is around 22' square and about 4' tall with a concrete floor. It has no indication of leaks and is dry, but too moist during the hot Maryland summers to keep ...
1
vote
1answer
78 views

Mid project finishing basement: should I rip out new framing?

I am learning that the wood framing that has just been installed (glued) in my basement really should have come after putting in continuous foam board insulation against the wall, separating the wood ...
1
vote
1answer
224 views

Efflorescence Cause

I believe I have some efflorescence in my basement. It is growing in two spots where the floor paint was scratched off when the previous owners moved out. It brushes away easily, and I have never ...
0
votes
4answers
136 views

Store Refrigerator, Keeps Doors Open How Often

I plan to store refrigerator in my residence unplugged. I cleaned it well with all soap, 409 and disinfectant, and left doors open to dry out for few days. They recommend to keep Doors Open for long ...
0
votes
1answer
95 views

Insulating Basement

Our unfinished basement has hollow cinderblock walls and I am wanting to insulate it and drywall the basement. Our house sits on a slope so the font of the house, including the basement, is ground ...
0
votes
3answers
852 views

Why do unused Refrigerator Appliances Grow Mold, while unused Cabinets and electronics don't?

I have a refrigerator that I thoroughly cleaned out and washed with soap/baking soda, and let thoroughly dry. They always recommend to keep Doors Open for long term refrigerator storage. This prevents ...
0
votes
2answers
1k views

Plywood over rigid foam over concrete: will I have moisture issues?

Short version: If I install 3" of rigid foam over a poured concrete foundation wall that has been sealed with Xypex, will I have any moisture issues if I install plywood directly over the rigid? ...